This remarkable goal was achieved by a North American X-15-A-2 model, a hypersonic rocket-powered aircraft operated by the US ...
The Air Force proposed using the North American X-15, an aircraft capable of flying to space, as opposed to NASA's preference for a capsule. -The X-15, powered by the Reaction Motors XLR99 engine ...
An interview with "Edge of Space" director Jean de Meuron, as well as a clip from the new film about NASA's famous X-15 ...